Page 103 "Panic Rose like the distant rumble of thunder in Isabel's ears. But Ivan and Lito both looked up, like they could hear it too"
The character's are confused and scared, perhaps. They don't know whats going on and are trying to find the rumble.
A tank? I guess it wasn't a good idea leaving...
Page 102-103 "That the rhythm of her homeland would one day whisper her secrets to her soul. But would she ever hear it now? Like trading her trumpet, had she swapped the one thing that was really hers-her music-for the chance to keep her family together?......It wasn't Isabels fear that shook her deep down to the pit of her stomach. It was the enormous tanker headed right for them.
Knowing, that she was leaving her home town, knowing that needing to keep her family okay and not having her music, something that she knew was hers. She leaves, then coming into a conflict for trying to save her family.